Wiseco SK1332 2-Stroke Snowmobile Top End Kit Standard Bore 65.00mm Yamaha 600

The Wiseco SK1332 is a complete 2-stroke snowmobile top end rebuild kit designed for standard bore 65.00mm (2.559 in.) Yamaha 600 engines. This all-inclusive kit provides everything needed to overhaul or overbore a worn top end, eliminating the need to source individual components from multiple suppliers.

Kit Includes:

• Forged aluminum Pro-Lite piston(s)
• High-performance piston rings (1.2mm top ring thickness)
• Floating wrist pins (0.787 in. / 20mm diameter)
• Circlips
• Complete top end gasket set

Key Features:

• Pro-Lite forged aluminum construction — lightweight design optimized for 2-stroke snowmobile performance
• Electra Coat surface treatment — proprietary piston skirt coating that reduces friction and wear for extended service life
• Nikasil cylinder compatibility — engineered to work with Nikasil-lined bores; cylinder sleeves sold separately if re-sleeving is required
• 65.00mm standard bore — fits original bore specifications with precise CNC-machined tolerances
• 59.60mm stroke — matched to OEM engine dimensions for correct piston-to-deck clearance
• All Wiseco pistons are forged and finished entirely in the USA for consistent quality control from raw material to finished part

Wiseco's Pro-Lite piston kits are a trusted choice for snowmobile engine rebuilds, delivering the strength and precision required by both performance riders and recreational enthusiasts. Note: Cylinder sleeves must be purchased separately for nikasil or chrome bore re-sleeving applications.